#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
int chenfa(int a, int b)
{
	printf("%d*%d=%d", a, b, a * b);
	return 0;
}
int main()
{
	int a = 0, b = 0;
	printf("please enter two num: ");
	scanf("%d %d", &a, &b);
	chenfa(a, b);
	return 0;
}